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Physical Properties | Standard Values | Measured Value |
Heat resistance, 130 °C, 168 h | No cracking | No cracking |
Low temperature flexibility, -40 °C | No flowing, cracking, deformation | No flowing, cracking, deformation |
Elongation at break | ≥ 400% | 470% |
Peel strength (N/10 mm) | ≥ 0.2 | 0.58 |
Dielectric Strength (MV/m) | ≥ 10 | 11.4 |
Sunlight ageing, 1000 h | No chalking, harden, crack | No chalking, harden, crack |
Density (g/cm3) | 1.55 | 1.55 |
Item | Standard | Results | Valuation | |||||
1 | Persistent adhesion, Min | Upper surface | ≥ 20 | 48 | Pass | |||
Lower surface | 37 | |||||||
2 | Heat-resistant properties, 80℃, 2h | No flow, no crack, no deformation | No flow, no crack, no deformation | Pass | ||||
3 | Low temperatureflexibility, -40℃ | No crack | No crack | Pass | ||||
4 | Adhesive performance on sheer condition, N / mm | Waterproofing roll | ≥ 2.0 | 5.3 | Pass | |||
5 | Peel strength, N / mm | Waterproofing roll | ≥0.4 | 1.4 | Pass | |||
Cement mortar board | ≥0.6 | 1.4 | Pass | |||||
6 | Peel strength retention rate, % | Heat treatment (80℃, 168h) | Waterproofing roll | ≥80 | 99 | Pass | ||
Saturated calcium hydroxide solution, 168h | Waterproofing roll | ≥80 | 96 | Pass | ||||
Peel strength retention rate, % | Cement mortar board | 128 | Pass | |||||
Soaking treatment, 168h | Waterproofing roll | ≥80 | 85 | Pass | ||||
Cement mortar board | 124 | Pass |